When extracting, you likely see file names appearing as ? , テスト , or other junk characters. This is because your system is interpreting the Shift-JIS encoding as standard Unicode (UTF-8) or ASCII. 2. Solutions for Extraction Method A: Using 7-Zip Command Line (Recommended)
Restart your computer, extract the file, then change it back. Method C: Use Bandizip or WinRAR (Alternative) Japanese.7z
Use the -mcp switch with Code Page 932 (Japanese) to extract: 7z x "YourFile.7z" -mcp=932 When extracting, you likely see file names appearing as
This is the most reliable method for handling Japanese character encoding directly. Open Command Prompt or Terminal. extract the file
This archive tool is generally better at detecting Japanese encoding automatically and often manages it without changing system settings.